Home / 19,321,214.10-28,981,821.14-7,190,362.50

Finding the Fourth Proportional to 19,321,214.10, 28,981,821.14 and 7,190,362.50

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Solution

The fourth proportional to 19,321,214.10, 28,981,821.14 and 7,190,362.50 is: 10,785,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,214.10 : 28,981,821.14 = 7,190,362.50 : x
  2. Step 2: Convert to fraction form
    19,321,214.10/28,981,821.14 = 7,190,362.50/x
  3. Step 3: Cross multiply
    19,321,214.10x = 28,981,821.14 × 7,190,362.50
  4. Step 4: Simplify right side
    19,321,214.10x = 208,389,799,906,763.25
  5. Step 5: Solve for x
    x = 208,389,799,906,763.25/19,321,214.10
  6. Step 6: Final answer
    x = 10,785,543.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.